Alert archive / Florida / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 81, NWS Melbourne, FL

June 15, 2001Osceola County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 15, 2001, 6:18 PM EDT for Osceola County, Florida. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 15, 2001, 6:18 PM EDT (22:18 UTC)
Expired: Jun 15, 2001, 7:15 PM EDT
In force: 57 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 49 km from the middle of the area, began a volume at 22:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.3 hours before the alert went out and 78 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1882 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 794 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KMLB 152219
SVRMLB

FLC097-152315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
618 PM EDT FRI JUN 15 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN OSCEOLA COUNTY
  IN EAST CENTRAL FLORIDA

* UNTIL 715 PM EDT.

* AT 612 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS FROM NARCOOSSEE TO 11 MILES
  SOUTHEAST OF LAKE KISSIMMEE...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE...
  NEAR HOLOPAW AT 630 PM
  NEAR LAKE MARIAN AT 630 PM
  NEAR KENANSVILLE AT 645 PM

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS IN EXCESS 0OF 58
MILES AN HOUR...LARGE HAIL AND DEADLY...EXCESSIVE LIGHTNING. MOVE
INDOORS TO A STURDY BUILDING AWAY FROM WINDOWS.

$$

LAT...LON 2833 8087 2833 8126 2786 8125 2769 8114
          2769 8087

GITTINGER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 2:20 PM EDT, 3 hours 58 minutes earlier.

Area forecast discussion, Jun 15, 2:20 PM EDT, 3 hours 58 minutes before

EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
220 PM EDT FRI JUN 15 2001

CELLULAR CONVECTION QUICKLY DEVELOPING WITH HEATING. STRONG STORMS
ALONG THE EAST COAST BREEZE AND NORTH CENTRAL FL WILL CONTINUE TO
MOVE EAST WHILE DEVELOPING FURTHER. BOUNDARY INTERACTION WILL ONLY
CONTRIBUTE TO MORE WIDESPREAD AND STRONGER STORMS THE REST OF THE
AFTERNOON GIVEN EXISTING THERMODYNAMIC PROFILE.

TONIGHT/WEEKEND...MID LEVEL RIDGE SOUTH OF AREA SHIFTS WEST AS
SHORTWAVE ROUGH OVER TN VALLEY MOVES SOUTH TWD PENINSULA. APPROACH
OF TROUGH WILL KEEP STEERING WINDS FAVORABLE WLY DIRECTION WITH
LAPSE RATES AND MOISTURE LEVELS OVER AREA FAVORING SCATTERED DIURNAL
STORMS. SEA BREEZE FORMATION APPEARS LIMITED OVER NORTH COAST ON SAT
AS WLY GRADIENT FLOW INCREASES. WILL LIKELY SEE SOME STRONG STORMS
ONCE AGAIN...ALTHO H5 TEMPS WARM A DEGREE OR TWO. MODELS HAVE
CONSISTENTLY INDICATED FRONTAL TROUGH APPROACHING N STATE ALTHOUGH
AM NOT CERTAIN OF SFC DEVELOPMENT DEPICTED OVER CENTRAL PENINSULA
SUNDAY. RIDGE BUILDS DOWN THE ATLC SEABOARD ON SUNDAY...SO HIGHER
CONVECTIVE THREAT LOOKS TO SHIFT TO THE SOUTHERN PORTION OF AREA
WHERE DEEPER MOISTURE REMAINS IN PLACE.

EXTENDED...AVN AND MRF KEEPS AN OLD FRONTAL WAVE OVER PENINSULA WITH
UNCERTAIN DEPICTION OF A POSSIBLE SFC LOW DEVELOPMENT ALONG THE WAVE
WEST OF STATE. IN ANY CASE WILL HOLD ONTO SOME POPS IN THE FORM OF
DIURNAL STORMS THROUGH EXTENDED FCST.

MARINE...NO HIGHLIGHTS ANTICIPATED THROUGH WEEKEND. APPROACHING
TROUGH WILL ACT TO INCREASE WINDS/SEAS. ESPECIALLY OVER THE NORTHERN
WATERS ON SAT.

TKS FOR COORD MIA & SPC

PRELIM...
DAB TB 072/093 071/089 071 3423
MCO TT 072/093 072/091 071 3424
MLB TT 073/091 073/090 072 3535 44

.MLB...NONE.

PUBLIC/MARINE...PENDERGRAST
AVIATION/FIRE WX...CRISTALDI

In the hours before

Local storm report, Jun 15, 5:29 PM EDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
529 PM EDT FRI JUN 15 2001

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

252 PM     EDGEWATER                 FL   0.75 INCH HAIL
06/15/01   VOLUSIA                        AT I-95

303 PM     SCOTTSMOOR                FL   0.75 INCH HAIL
06/15/01   BREVARD                        ESTIMATED 70 MPH WIND
                                          GUST

348 PM     KENNEDY SPACE CENTER      FL   FUNNEL CLOUD
06/15/01   BREVARD                        3 FUNNEL CLOUDS
                                          REPORTED.

420 PM     MERRITT ISLAND            FL   0.75 INCH HAIL
06/15/01   BREVARD

425 PM     CANAVERAL GROVES          FL   0.75 INCH HAIL
06/15/01   BREVARD

440 PM     COCOA                     FL   WIND DAMAGE
06/15/01   BREVARD                        POWER LINES DOWN AT 528
                                          AND US1

440 PM     TITUSVILLE                FL   WIND DAMAGE
06/15/01   BREVARD                        DAMAGE TO ROOF AND CAR.

443 PM     MERRITT ISLAND            FL   WIND DAMAGE
06/15/01   BREVARD                        DOWNED POWER LINES
                                          CAUSING MULTIPLE HOUSE
                                          FIRES.

445 PM     MERRITT ISLAND            FL   WIND DAMAGE
06/15/01   BREVARD       w                 N-BOUND GATE ON BARGE
                                          CANAL BRIDGE DAMAGED BY
                                          WIND.

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 2:00 PM EDT	Severe Thunderstorm Warning	MLB	Indian River	60 min
Jun 15, 2:12 PM EDT	Severe Thunderstorm Warning	MLB	Volusia	63 min
Jun 15, 2:55 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	65 min
Jun 15, 3:08 PM EDT	Tornado Warning	MLB	Brevard	37 min
Jun 15, 3:43 PM EDT	Tornado Warning	MLB	Brevard	32 min
Jun 15, 4:15 PM EDT	Tornado Warning	MLB	Brevard	60 min
Jun 15, 5:12 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	63 min
Jun 15, 5:14 PM EDT	Severe Thunderstorm Warning	MLB	Osceola	61 min
Jun 15, 5:24 PM EDT	Severe Thunderstorm Warning	MLB	Orange	66 min
Jun 15, 5:31 PM EDT	Severe Thunderstorm Warning	MLB	Lake	59 min
Jun 15, 6:40 PM EDT	Severe Thunderstorm Warning	MLB	Brevard	65 min

Nearby

Severe Thunderstorm Warnings in Florida, 2001 Every severe thunderstorm warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.